The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines

M. Peimbert; A. Peimbert; C. Esteban; J. García-Rojas; F. Bresolin; L. Carigi; M. T. Ruiz; A. R. López-Sánchez

The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines

M. Peimbert^*, A. Peimbert, C. Esteban, J. García-Rojas, F. Bresolin, L. Carigi, M. T. Ruiz, A. R. López-Sánchez

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

41 Citations (Scopus)

Abstract

Based on O II recombination lines we present a new calibration (called O II _RL) of Pagel's 023 indicator to determine the O/H abundance ratio in extragalactic H II regions and emission line galaxies. The O II _RL calibration produces O/H abundances about a factor of two higher than those derived from the T(4363) method with t² = 0.00. The O II _RL calibration has implications for the study of different properties of emission line galaxies such as their metallicity, star formation rate, and initial mass function. The O II _RL calibration also affects the abundance determinations based on other O/H indicators, that include collisionally excited lines, like those known as O₃N₂, N₂, S₂₃, Ar₃O₃, and S ₃O₃. We argue that the controversy between the T(4363) method and the photoionization models method to derive O/H values is mainly due to temperature variations inside the observed H Il regions.

Original language	English
Title of host publication	First Light Science with the GTC
Place of Publication	México, D.F.
Publisher	Instituto de Astronomía, Universidad Nacional Autónoma de México
Pages	72-79
Number of pages	8
Volume	29
ISBN (Print)	9703232744, 9789703232741
Publication status	Published - Jun 2007
Externally published	Yes
Event	First Light Science with the GTC - Miami, FL, United States Duration: 28 Jun 2006 → 30 Jun 2006

Other

Other	First Light Science with the GTC
Country/Territory	United States
City	Miami, FL
Period	28/06/06 → 30/06/06

Keywords

Galaxies: abundances
H II regions

Cite this

Peimbert, M., Peimbert, A., Esteban, C., García-Rojas, J., Bresolin, F., Carigi, L., Ruiz, M. T., & López-Sánchez, A. R. (2007). The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines. In First Light Science with the GTC (Vol. 29, pp. 72-79). Instituto de Astronomía, Universidad Nacional Autónoma de México.

@inproceedings{ca9ec8aa56894fb587a1d6516a30b63f,

title = "The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines",

abstract = "Based on O II recombination lines we present a new calibration (called O II RL) of Pagel's 023 indicator to determine the O/H abundance ratio in extragalactic H II regions and emission line galaxies. The O II RL calibration produces O/H abundances about a factor of two higher than those derived from the T(4363) method with t2 = 0.00. The O II RL calibration has implications for the study of different properties of emission line galaxies such as their metallicity, star formation rate, and initial mass function. The O II RL calibration also affects the abundance determinations based on other O/H indicators, that include collisionally excited lines, like those known as O3N2, N2, S23, Ar3O3, and S 3O3. We argue that the controversy between the T(4363) method and the photoionization models method to derive O/H values is mainly due to temperature variations inside the observed H Il regions.",

keywords = "Galaxies: abundances, H II regions",

author = "M. Peimbert and A. Peimbert and C. Esteban and J. Garc{\'i}a-Rojas and F. Bresolin and L. Carigi and Ruiz, {M. T.} and L{\'o}pez-S{\'a}nchez, {A. R.}",

year = "2007",

month = jun,

language = "English",

isbn = "9703232744",

volume = "29",

pages = "72--79",

booktitle = "First Light Science with the GTC",

publisher = "Instituto de Astronom{\'i}a, Universidad Nacional Aut{\'o}noma de M{\'e}xico",

note = "First Light Science with the GTC ; Conference date: 28-06-2006 Through 30-06-2006",

}

Peimbert, M, Peimbert, A, Esteban, C, García-Rojas, J, Bresolin, F, Carigi, L, Ruiz, MT & López-Sánchez, AR 2007, The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines. in First Light Science with the GTC. vol. 29, Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D.F., pp. 72-79, First Light Science with the GTC, Miami, FL, United States, 28/06/06.

The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines. / Peimbert, M.; Peimbert, A.; Esteban, C. et al.
First Light Science with the GTC. Vol. 29 México, D.F.: Instituto de Astronomía, Universidad Nacional Autónoma de México, 2007. p. 72-79.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

TY - GEN

T1 - The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines

AU - Peimbert, M.

AU - Peimbert, A.

AU - Esteban, C.

AU - García-Rojas, J.

AU - Bresolin, F.

AU - Carigi, L.

AU - Ruiz, M. T.

AU - López-Sánchez, A. R.

PY - 2007/6

Y1 - 2007/6

N2 - Based on O II recombination lines we present a new calibration (called O II RL) of Pagel's 023 indicator to determine the O/H abundance ratio in extragalactic H II regions and emission line galaxies. The O II RL calibration produces O/H abundances about a factor of two higher than those derived from the T(4363) method with t2 = 0.00. The O II RL calibration has implications for the study of different properties of emission line galaxies such as their metallicity, star formation rate, and initial mass function. The O II RL calibration also affects the abundance determinations based on other O/H indicators, that include collisionally excited lines, like those known as O3N2, N2, S23, Ar3O3, and S 3O3. We argue that the controversy between the T(4363) method and the photoionization models method to derive O/H values is mainly due to temperature variations inside the observed H Il regions.

AB - Based on O II recombination lines we present a new calibration (called O II RL) of Pagel's 023 indicator to determine the O/H abundance ratio in extragalactic H II regions and emission line galaxies. The O II RL calibration produces O/H abundances about a factor of two higher than those derived from the T(4363) method with t2 = 0.00. The O II RL calibration has implications for the study of different properties of emission line galaxies such as their metallicity, star formation rate, and initial mass function. The O II RL calibration also affects the abundance determinations based on other O/H indicators, that include collisionally excited lines, like those known as O3N2, N2, S23, Ar3O3, and S 3O3. We argue that the controversy between the T(4363) method and the photoionization models method to derive O/H values is mainly due to temperature variations inside the observed H Il regions.

KW - Galaxies: abundances

KW - H II regions

UR - http://www.scopus.com/inward/record.url?scp=34848825626&partnerID=8YFLogxK

M3 - Conference proceeding contribution

AN - SCOPUS:34848825626

SN - 9703232744

SN - 9789703232741

VL - 29

SP - 72

EP - 79

BT - First Light Science with the GTC

PB - Instituto de Astronomía, Universidad Nacional Autónoma de México

CY - México, D.F.

T2 - First Light Science with the GTC

Y2 - 28 June 2006 through 30 June 2006

ER -

The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines

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